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Research article
shiyuan Fang
Anhui Provincial Hospital, Wannan Medical College
Corresponding Author
ORCiD: https://orcid.org/0000-0003-3799-6772
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Objectives
We evaluated the biomechanical outcomes of 9 different percutaneous fixation strategies used for the fixation of Tile C1.2 pelvic fracture. This may help surgeons choose the optimal therapy for the unstable pelvic fracture.
Methods
Tile C1.2 pelvic fractures and implant models were constructed using finite element analysis (FEA) software. Models were assembled for different fracture fixation types. After meshing the models’ elements, we used Abaqus software to perform the FEA. Values of the von Mises Stress and model displacement were used to capture the mechanical factors.
Results
The FEA shows that under axial loading and external rotational loading of 500 N, the combination of an S1 screw and the Infix system provide strong stability, and that an increased number of screws to fix the anterior pelvic ring increased stability.
Conclusion
This study indicates that a 3-screw-Infix system on the healthy side, plus an S1 sacroiliac screw improves stability of the Tile C1.2 fracture.
Keywords
Pelvic fractures, Infix technology, Sacroiliac screw, Biomechanics, Finite element analysis
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A new preprint design is coming!
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This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Research article
shiyuan Fang
Anhui Provincial Hospital, Wannan Medical College
Corresponding Author
ORCiD: https://orcid.org/0000-0003-3799-6772
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
History
CURRENT STATUS: Posted
Version 1
Posted 21 Jul, 2020
No community comments so far
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
Subject Areas
Orthopedic Surgery
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Objectives
We evaluated the biomechanical outcomes of 9 different percutaneous fixation strategies used for the fixation of Tile C1.2 pelvic fracture. This may help surgeons choose the optimal therapy for the unstable pelvic fracture.
Methods
Tile C1.2 pelvic fractures and implant models were constructed using finite element analysis (FEA) software. Models were assembled for different fracture fixation types. After meshing the models’ elements, we used Abaqus software to perform the FEA. Values of the von Mises Stress and model displacement were used to capture the mechanical factors.
Results
The FEA shows that under axial loading and external rotational loading of 500 N, the combination of an S1 screw and the Infix system provide strong stability, and that an increased number of screws to fix the anterior pelvic ring increased stability.
Conclusion
This study indicates that a 3-screw-Infix system on the healthy side, plus an S1 sacroiliac screw improves stability of the Tile C1.2 fracture.
Figure 1
Figure 2
Figure 3
Loading...